massacre – n. the violent killing of many people

region(s) – n. a part of a country or of the world that is different or separate from other parts in some way

qualified as – v. had all the necessary qualities to be thought of or described in a particular way

revoke – v. to officially cancel the power or effect of something

perpetuate(d) – v. to cause something that should be stopped, such as a mistaken idea or a bad situation, to continue

aggravate(d) – v. to make an injury or problem more serious or severe